Ostium is a decentralized perpetual exchange protocol that enables onchain trading of stocks, commodities, forex, and crypto against real-world liquidity. Ostium's Twitter Score is 213 out of 1000 (an Excellent rating) as of July 2026, ranking #2,332 (top 1%) among 389,201 tracked accounts.
Ostium was co-founded by Kaledora Kiernan-Linn and Marco Antonio Ribeiro. The protocol raised $24M in a round co-led by General Catalyst and Jump Crypto, at a valuation of approximately $250 million. Additional backers include Wintermute Ventures, Coinbase Ventures, Crucible Capital, Susquehanna (SIG), GSR, LocalGlobe, Balaji Srinivasan, Bridgewater, Two Sigma, and Brevan Howard.
Ostium is deployed on Arbitrum and has reported cumulative trade volume of over $45 billion, peak open interest above $300 million, and more than 25,000 active traders. The protocol has been audited by Zellic, ThreeSigma, and Pashov, with no critical vulnerabilities reported. As of reporting, Ostium has made no official announcements regarding a token launch.
Ostium has 62,498 followers as of July 2026 and has published 5,329 posts. The account has been mentioned by 307 accounts a total of 977 times.
Who follows Ostium on X?
The accounts that follow Ostium include 649 founders, 197 angel investors, 539 influencers and 19 VCs. Among them are Laura Shin, Meltem Demirors, Andrew Kang, Zhu Su, smolting wassie, verse and Farokh.